. >>> senator john kerry is firing back at senator rick santorum. it's all about this. opposition to a u.n. treaty. one that a lot of people thought was a no-brainer. it was about the rights of the disabled all over the world. we brought you this story yesterday. senate republicans rejecting this treaty on tuesday despite the fact that one of their own, bob dole, bob dole, a former majority leader, came to the floor in a wheelchair trying to draw support for this treaty. he was being pushed by his wife and made an impassioned plea. senator santorum explained opposition to this treaty in a piece published in "the daily beast." in part he says this. our nation has been been the worldwide leader when it comes to protecting the disabled. we should be telling the u.n. and not the other way around how to ensure dignity and respect for the disabled. effectively saying nobody tells the united states what to do. it sets a very dangerous precedent perhaps for other things. okay. that sounded legitimate until it came out that that's not what the treaty suggests. senator kerry was